package com.lzk.service;
import com.baomidou.mybatisplus.extension.service.IService;
import com.lzk.common.R;
import com.lzk.pojo.ShoppingCart;
import java.util.List;

public interface ShoppingCartService extends IService<ShoppingCart> {
    R<List<ShoppingCart>> listAll();

    R<String> add(ShoppingCart shoppingCart);

    R<String> sub(ShoppingCart shoppingCart);

    R<String> clean();
}
